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YCM Bridge Mill Mastery | EAGLE MACHINE INC. > YCM JD216 10k > Flashcards

YCM JD216 10k Flashcards

1
Q

What are the linear axis travels of the YCM JD216?

A

X-axis: 86.61”, Y-axis: 62.99”, Z-axis: 30.00”.

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2
Q

What is the table load capacity of the JD216?

A

The table supports up to 17,637 lbs.

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3
Q

What material is the bed of the JD216 made from?

A

Meehanite cast iron for high rigidity and vibration damping.

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4
Q

What type of guideways are used on the JD216?

A

55mm roller guideways for X and Y axes; box ways for the Z-axis.

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5
Q

What is the pitch and diameter of the ballscrews in the JD216?

A

X-axis: 0.79” pitch, 2.17” diameter; Y-axis: 0.63” pitch, 1.97” diameter; Z-axis: 0.39” pitch, 1.77” diameter.

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6
Q

What is the unique feature of the JD216’s Step Bridge Design?

A

It distributes saddle weight and machining forces evenly for better accuracy and tool life.

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7
Q

What is the positioning accuracy of the JD216 with linear scales?

A

X/Y: ±0.00039”, Z: ±0.00027”.

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8
Q

What is the repeatability of the JD216 with linear scales?

A

X/Y: ±0.00027”, Z: ±0.00019”.

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9
Q

What ensures thermal stability in the JD216?

A

Fixed, pre-tensioned double-nut ballscrews, spindle chiller, and air-oil lubrication.

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10
Q

How do the linear scales improve the JD216’s precision?

A

They measure the direct position of moving elements, minimizing thermal effects and improving accuracy.

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11
Q

What is the spindle interface used in the JD216?

A

Dual Contact BBT50/CAT50 taper.

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12
Q

What is the maximum spindle speed of the JD216?

A

Up to 10,000 RPM.

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13
Q

What is the spindle power rating for the JD216?

A

Maximum power: 30 HP; Continuous: 20 HP.

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14
Q

What is the maximum spindle torque of the JD216?

A

261 ft-lbs.

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15
Q

What is the constant torque range for the JD216 spindle?

A

From 44 to 500 RPM.

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16
Q

How is the JD216 spindle cooled?

A

It uses a spindle chiller with air-oil lubrication and a chilled motor plate.

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17
Q

What are the dimensions of the JD216 table?

A

78.74” x 59.06”.

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18
Q

What is the maximum workpiece size for the JD216?

A

Length: 78.74”, Depth: 59.06”, Height: 30”.

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19
Q

How many T-slots does the JD216 table have?

A

Eight T-slots with 0.87” width and 7.09” pitch.

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20
Q

What is the height of the JD216 table from the floor?

A

36.81”.

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21
Q

What is the standard tool capacity of the JD216’s ATC?

A

60 tools.

22
Q

What is the maximum tool diameter for the JD216’s ATC?

A

All pockets full: 4.92”; Adjacent pockets empty: 9.45”.

23
Q

What is the maximum tool length and weight for the JD216?

A

Length: 13.78”; Weight: 44 lbs.

24
Q

What is the tool selection method in the JD216 ATC?

A

Bi-directional, random access.

25
Q

What is the purpose of the ATC Auto Door in the JD216?

A

It minimizes chips and coolant contamination in the tool magazine.

26
Q

What control system does the JD216 use?

A

FANUC 200FB+ with a 10.4” LCD screen.

27
Q

What is the block processing time of the JD216’s FANUC control?

A

1.0ms with 400-block look-ahead.

28
Q

What industries is the JD216 best suited for?

A

Aerospace, medical, automotive, and die mold applications.

29
Q

What are the key connectivity options in the JD216 FANUC control?

A

Ethernet, USB, and RS-232C.

30
Q

What is the Fast Cycle-Time Technology (FCT) in the JD216?

A

It enhances tapping speeds and reduces cycle times.

31
Q

What is the coolant tank capacity of the JD216?

A

158 gallons.

32
Q

What is the chip conveyor system in the JD216?

A

Dual augers with a left-hand discharge hinge-type conveyor.

33
Q

What are the coolant management features included in the JD216?

A

Coolant ring, adjustable lock lines, air-blast, wash-down gun, and air gun.

34
Q

What is the purpose of the dual augers in the JD216?

A

They enable long run times without operator intervention and efficient chip removal.

35
Q

What is the weight of the JD216?

A

50,706 lbs.

36
Q

What is the required floor space for the JD216?

A

295” x 218” x 178”.

37
Q

What is the spindle clamping force in the JD216?

A

4,497 lbf.

38
Q

What role does Spindle Thermal Compensation Plus (STC) play in the JD216?

A

It uses thermocouples to compensate for thermal growth, ensuring stability and precision.

39
Q

What type of lubrication does the JD216 spindle use?

A

Air-oil lubrication.

40
Q

What is the rapid traverse rate for the JD216’s X and Y axes?

A

787 IPM.

41
Q

What is the rapid traverse rate for the Z-axis on the JD216?

A

591 IPM.

42
Q

What is the cutting feed rate for all axes on the JD216?

A

394 IPM.

43
Q

What ensures smooth machining in the JD216’s Z-axis?

A

Box ways dampen vibration and minimize flexing.

44
Q

What machining accuracies are achieved by the JD216’s scales?

A

Positioning accuracy of ±0.00039” for X/Y axes and ±0.00027” for Z-axis.

45
Q

How does the JD216 improve tool life?

A

With its step bridge design, minimizing weight imbalance during machining.

46
Q

What is the purpose of precision hand-scraped joints in the JD216?

A

They enhance structural rigidity, geometry, and reduce the need for electronic compensation.

47
Q

How does the JD216 handle heavy machining operations?

A

With a high spindle torque of up to 261 ft-lbs and robust guideways.

48
Q

What is the spindle speed range for the JD216?

A

44 to 10,000 RPM.

49
Q

What is the spindle’s full horsepower speed in the JD216?

A

500 RPM.

50
Q

What is the role of the dual contact spindle interface in the JD216?

A

It ensures rigidity and precision for tough materials and fine surface finishes.

YCM Bridge Mill Mastery | EAGLE MACHINE INC. (11 decks)

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